Being lower or higher class is not only a matter of money, but also and mainly a matter of social capital. People might not be rich, but they might use the weal

Being lower or higher class is not only a matter of money, but also and mainly a matter of social capital. People might not be rich, but they might use the wealth of their class peers - as long as they share their codes and culture. That's why having your own office is important. Because it brings you into another class through codes and culture. Same thing with owning a boat or a country house.